43241026155621 has 16 divisors (see below), whose sum is σ = 65893457099904. Its totient is φ = 24708269193984.

The previous prime is 43241026155599. The next prime is 43241026155629. The reversal of 43241026155621 is 12655162014234.

It is not a de Polignac number, because 43241026155621 - 2²⁵ = 43240992601189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241026155629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36427320 + ... + 37595633.

It is an arithmetic number, because the mean of its divisors is an integer number (4118341068744).

Almost surely, 2^{43241026155621} is an apocalyptic number.

It is an amenable number.

43241026155621 is a deficient number, since it is larger than the sum of its proper divisors (22652430944283).

43241026155621 is a wasteful number, since it uses less digits than its factorization.

43241026155621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74050780.

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 43241026155621 its reverse (12655162014234), we get a palindrome (55896188169855).

The spelling of 43241026155621 in words is "forty-three trillion, two hundred forty-one billion, twenty-six million, one hundred fifty-five thousand, six hundred twenty-one".